Gaya APA
Johnston, J, N, {, E, A, }. (2016).
Essentials of Radiographic Physics and Imaging (Second Edition).
St. Louis:
Elsevier, Inc.
Gaya MLA
Johnston, James, N, {, Et, Al, }.
"Essentials of Radiographic Physics and Imaging".
Second Edition
St. Louis:
Elsevier, Inc,
2016.
Text.